Probabilistic and statistical relationships between number of vehicles and number of visitors at a geologic site in a national park
By: by Robert A. Crovelli.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 94-560.; U.S. Geological Survey open-file report -- 94-560.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section, [distributor
Published: 1994
Place of publication: [Reston, Va.]
Language: eng
Format: Microform
Subjects: National parks and reserves -- Public use; Probabilities
Notes: Cover title.

Distributed to depository libraries in microfiche.

Shipping list no.: 95-0614-M.

Microfiche. [Denver, Colo.] : U.S. Geological Survey, [1995] 1 microfiche : negative.